Crystal structure and proton conductivity of BaZr0.9Sc0
Artikel i vetenskaplig tidskrift, 2008

Solid-state sintering has been used to prepare the perovskite BaZr0.9Sc0.1O3-delta. Analysis of X-ray powder diffraction data shows that an increase of the unit cell parameter, a, was observed after deuteration. Rietveld analysis of room-temperature neutron powder diffraction data confirmed cubic symmetry (space group Pm-3m). Dynamic thermogravimetric analysis indicates that the hydration process occurs below 335 degrees C and approximately 58% of the theoretical number of protonic defects can be filled. The presence of protons/deutrons is seen from the strong O-H/O-D stretch band in the infrared spectrum of the hydrated/deuterated samples. The proton conductivity of a prehydrated sample was investigated under dry and wet Ar atmospheres

Författare

Istaq Ahmed

Chalmers, Kemi- och bioteknik, Oorganisk miljökemi

Maths Karlsson

Chalmers, Teknisk fysik, Kondenserade materiens fysik

Sten Eriksson

Chalmers, Kemi- och bioteknik, Oorganisk miljökemi

Elisabet Ahlberg

Göteborgs universitet

Christopher Knee

Chalmers, Teknisk fysik, Kondenserade materiens fysik

Kristian Larsson

Chalmers, Kemi- och bioteknik, Oorganisk miljökemi

A.K. Azad

University of St Andrews

Aleksandar Matic

Chalmers, Teknisk fysik, Kondenserade materiens fysik

Lars Börjesson

Chalmers, Teknisk fysik, Kondenserade materiens fysik

Journal of the American Ceramic Society

0002-7820 (ISSN)

Vol. 91 9 3039-3044

Ämneskategorier

Oorganisk kemi

Övrig annan teknik

Annan materialteknik

Den kondenserade materiens fysik

Styrkeområden

Materialvetenskap

DOI

10.1111/j.1551-2916.2008.02547.x

Mer information

Senast uppdaterat

2018-02-28